Composite Trace Fossil Assemblage in a Distal Carbonate Setting from the Tethys (Middle Jurassic, Betic Cordillera, Southern Spain)

The Lower to Middle Jurassic Sorthat and Bagå Formations of the Baltic island of Bornholm, Denmark, are a predominantly fluviatile unit. On the south coast of the island at Korsodde, however, an interval within the Sorthat Formation contains a diverse trace fossil assemblage indicating a marine incursion. Study of this interval revealed 15 ichnotaxa, among which one is new: Bornichnus tortuosus nov. igen. et isp. Several of the trace fossils present are generally considered characteristic of the lower shoreface to offshore environments (e.g. Teichichnus and Asterosoma). However, the low degree of bioturbation and ichnodiversity, and sedimentological features, indicate an environment influenced by salinity fluctuation, probably a tidally influenced delta. Five ichnofabrics are defined that describe this setting and which may be indicative of marginal-marine environments that are influenced by salinity fluctuations.

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Trace Fossil Rhizocorallium From The Middle Triassic Of The Betic Cordillera, Southern Spain: Characterization And Environmental Implications

Palaios ◽

10.2110/palo.2007.p07-007r ◽

2008 ◽

Vol 23 (2) ◽

pp. 78-86 ◽

Cited By ~ 27

Author(s):

F. J. Rodriguez-Tovar ◽

F. Perez-Valera

Keyword(s):

Middle Triassic ◽

Trace Fossil ◽

Betic Cordillera ◽

Southern Spain ◽

Environmental Implications

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Coral biostromes of the Middle Jurassic from the Subbetic (Betic Cordillera, southern Spain): facies, coral taxonomy, taphonomy, and palaeoecology

Facies ◽

10.1007/s10347-009-0187-3 ◽

2009 ◽

Vol 55 (4) ◽

pp. 575-593 ◽

Cited By ~ 15

Author(s):

Matías Reolid ◽

José Miguel Molina ◽

Hannes Löser ◽

Vicente Navarro ◽

Pedro A. Ruiz-Ortiz

Keyword(s):

Middle Jurassic ◽

Betic Cordillera ◽

Southern Spain

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A prospective Early Late Paleocene event (ELPE) from the expanded Río Gor hemipelagic section (Betic Cordillera, southern Spain): foraminifera, nannofossil and isotopic data

Rendiconti online della Società Geologica Italiana ◽

10.3301/rol.2014.110 ◽

2014 ◽

Vol 31 ◽

pp. 181-182

Author(s):

Victoriano Pujalte

Keyword(s):

Betic Cordillera ◽

Southern Spain ◽

Isotopic Data ◽

Late Paleocene ◽

Early Late

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Lithostratigraphy of the Kweekvlei Formation (Witteberg Group), Cape Supergroup

South African Journal of Geology ◽

10.25131/gssajg.120.3.421 ◽

2017 ◽

Vol 120 (3) ◽

pp. 421-432 ◽

Cited By ~ 2

Author(s):

C. Browning ◽

M. Reid

Keyword(s):

South Africa ◽

Transition Zone ◽

Distal Part ◽

Vascular Plant ◽

Trace Fossil ◽

Plant Debris ◽

Lower Carboniferous ◽

Fossil Assemblage ◽

Low Diversity ◽

Storm Wave

AbstractThe Lower Carboniferous, probably Tournaisian, Kweekvlei Formation is part of the Witteberg Group (Cape Supergroup) of South Africa. Together with the overlying Floriskraal Formation, it forms an upward-coarsening succession within the Lake Mentz Subgroup. Sedimentary features of the Kweekvlei Formation suggest deposition in a storm-wave dominated marine setting, within the storm-influenced, distal part of an offshore transition zone environment. This predominantly argillaceous formation preserves a low diversity trace fossil assemblage. Reworked vascular plant debris (including the problematic genus Praeramunculus sp.) and a shark spine have been reported for the Kweekvlei Formation. There are no known stratigraphic equivalents in South Africa.

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